Ruling · Bhīṣma Dvādaśī · 1928

Thursday 2 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 195 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Thursday 2 February

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

48 of 48 minutes covered

Midday of Friday 3 February

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

0 of 48 minutes covered

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 08:53 on Thu 2 Feb to 07:19 on Fri 3 Feb.

    1928-02-02T00:53:01Z → 1928-02-02T23:18:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 2nd, 12:08–12:56 on the 3rd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 11702 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1928: Thursday 2 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1928 falls on Thursday 2 February. Dvādaśī runs from 08:53 on Thu 2 Feb to 07:19 on Fri 3 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1928/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 2 Feb
compat-drikpanchangComparison profileThu 2 Feb
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/bhishma-dvadashi · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles16:53 → 15:1911:4348 min11:430 min2 Feb
Chicago18:53 → 17:1911:4148 min11:410 min2 Feb
Jersey City19:53 → 18:1911:4648 min11:460 min2 Feb
Port of Spain20:53 → 19:1911:5648 min11:560 min2 Feb
London00:53 → 23:1911:5148 min11:510 min2 Feb
Durban02:53 → 01:1911:4548 min11:460 min2 Feb
Dubai04:53 → 03:1912:0948 min12:090 min2 Feb
Delhi06:23 → 04:4912:1148 min12:110 min2 Feb
Kolkata06:23 → 04:4911:2648 min11:270 min2 Feb
Singapore07:53 → 06:1911:5448 min11:540 min2 Feb
Sydney10:53 → 09:1911:4548 min11:450 min2 Feb
Suva12:53 → 11:1911:560 min11:560 min3 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
bhishma-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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